The world's best known living scientist, Stephen Hawking, was too ill to attend his 70th birthday celebrations on Sunday but in a recorded speech urged people to "look up at the stars" and be curious ...

著名物理学家史蒂芬·霍金14日在睡梦中去世，享年76岁。他的家人已经确认这一消息。霍金生前曾表示，自己最大的希望是能在外太空死去。 File photo of Physicist Stephen Hawking. [Photo/Agencies] World renowned physicist Stephen Hawking has died at the age of 76.

已故英国著名物理学家史蒂芬·霍金（Stephen Hawking）早在1971年提出“黑洞面积定理”，指出黑洞的事件视界表面积不会减少，两个黑洞合并后的总面积不会小于它们原有面积之和。这一理论后来被称为“黑洞热力学第二定律”。如今，美国“激光干涉引力波天文 ...